As part of the #letter4u campaign responding to the Paris Attacks, Iran’s Ayatollah Khamenei has been trying to do outreach with “the young people of Europe and North America”. Many bots have hijacked various other hashtags unrelated to the campaign to include photos such as these, or links to the actual letter.

In the wake of the devastating floods in Chennai, Facebook has activated its Security Check feature for the city, which lets people in the affected areas mark themselves as safe. Most parts of the city have been submerged, leaving thousands of people stranded in their homes. With daily life coming to a standstill, more torrential rain is expected in the new few days.